Finding the Third Proportional to 510.19 and 673.59

Step by Step Solution

1. Step 1: Write the proportion equation
   510.19 : 673.59 = 673.59 : x
2. Step 2: Convert to fraction form
   510.19/673.59 = 673.59/x
3. Step 3: Cross multiply
   510.19x = 673.59 × 673.59
4. Step 4: Simplify right side
   510.19x = 453,728.54
5. Step 5: Solve for x
   x = 453,728.54/510.19
6. Step 6: Final answer
   x = 889.34